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The reaction between zinc powder & sulfur

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A reaction between zinc and sulfur can be used to demonstrate that chemical changes are often accompanied by a large change in energy.

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The reaction between zinc powder and sulfur
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This practical is part of our Chemistry for non-specialists collection.

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England
- GCSE
  - AQA Chemistry
    - 4.1 Atomic structure and the periodic table
      - 4.1.1 A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes
        4.1.1.1 Atoms, elements and compounds
        Compounds are formed from elements by chemical reactions.
        Chemical reactions always involve the formation of one or more new substances, and often involve a detectable energy change.
        Compounds contain two or more elements chemically combined in fixed proportions and can be represented by formulae using the symbols of the atoms from which they were formed.
  - AQA Combined science: Trilogy
    - 5.1 Atomic structure and the periodic table
      - 5.1.1 A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes
        5.1.1.1 Atoms, elements and compounds
        Compounds are formed from elements by chemical reactions.
        Chemical reactions always involve the formation of one or more new substances, and often involve a detectable energy change.
        Compounds contain two or more elements chemically combined in fixed proportions and can be represented by formulae using the symbols of the atoms from which they were formed.
Republic of Ireland
- Junior Cycle
  - Science
    - Chemical world
      - Building blocks
        2. Develop and use models to describe the nature of matter; demonstrate how they provide a simple way to to account for the conservation of mass, changes of state, physical change, chemical change, mixtures, and their separation.
        4. Classify substances as elements, compounds, mixtures, metals, non-metals, solids, liquids, gases and solutions.
      - Energy
        9. Consider chemical reactions in terms of energy, using the terms exothermic, endothermic and activation energy, and use simple energy profile diagrams to illustrate energy changes.

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